Super Bowl prop bet controversy: Did Gladys Knight national anthem go over or under?
Super Bowl 2019: Gladys Knight causes prop bet controversy with anthem
Gladys Knight responds to Super Bowl and Colin Kaepernick controversy: 'Our National Anthem has been dragged into this debate', The Independent
Gladys Knight's national anthem performance before Super Bowl 2019: VIDEO - 6abc Philadelphia
Super Bowl LIII: Gladys Knight hits the over with excellent national anthem or does she?
Gladys Knight Issues Statement On Colin Kaepernick And Super Bowl
Super Bowl 2019 prop bet: Gladys Knight's national anthem draws controversy - Chicago Sun-Times
2019 Super Bowl Prop Bets
Controversy over Gladys Knight's national anthem prop bet
Gladys Knight's national anthem performance before Super Bowl 2019: VIDEO - ABC7 San Francisco
Super Bowl 53 prop bets: Anthem, coin toss, Gatorade, Donald Trump odds
Super Bowl 53 prop bets: Anthem, coin toss, Gatorade, Donald Trump odds